Home / 119,128.69-178,717.34-40,241.17

Finding the Fourth Proportional to 119,128.69, 178,717.34 and 40,241.17

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Solution

The fourth proportional to 119,128.69, 178,717.34 and 40,241.17 is: 60,369.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,128.69 : 178,717.34 = 40,241.17 : x
  2. Step 2: Convert to fraction form
    119,128.69/178,717.34 = 40,241.17/x
  3. Step 3: Cross multiply
    119,128.69x = 178,717.34 × 40,241.17
  4. Step 4: Simplify right side
    119,128.69x = 7,191,794,958.53
  5. Step 5: Solve for x
    x = 7,191,794,958.53/119,128.69
  6. Step 6: Final answer
    x = 60,369.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.